Question: Tell me about the grand duchies located in the Weimar Republic.
Paraphrase: Let me know about the terrific duchies found within the Weimar Republic.
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P131 wd:Q41304 . ?sbj wdt:P31 wd:Q165116 } 
Answer: Grand Duchy of Mecklenburg-Strelitz